Calcite - Pallaflat Mine, England / United Kingdom - 14.5 x 9 x 6.5 cm / main crystal: 5.2 cm
Mineral: Calcite
Locality: Pallaflat Mine, Bigrigg, West Cumberland Iron Field, former Cumberland, Cumbria, England / United Kingdom
Dimensions: 14.5 x 9 x 6.5 cm / main crystal: 5.2 cm

Description: Mass: 438 g MIM number:1876 Group of transparent colorless crystals in the form of hexagonal prisms with pointed terminations on a thin crust of limonite. One of the calcite crystals is doubly terminated. Photographer: AINU / Augustin de Valence Ex collection Philadelphia Academy of Natural Sciences (USA)